EN 573-3 Grade 3.3211 H111: Premium Alloy for Corrosion Resistance & High-Performance Applications

DIN 3.3211 is a readily available alloy that has good surface finish and ability to be anodized.Easy of weldability and brazability with nice surface finish. Resistance to corrosion from seawater and atmospheric conditions. Suitable for hot forging.

Properties

General

Property	Value	Condition	Related Standards
Density	2.7 g/cm³	H111	EN 573-3, EN 754, EN 755

Mechanical

Property	Value	Condition	Related Standards	Comment
Elastic modulus	69.0 GPa	H111	EN 573-3, EN 754, EN 755
	70.0 GPa	H111	EN 573-3, EN 754, EN 755
Plane-Strain Fracture Toughnes	22.0 - 35.0 MPa·√m			Typical for Wrought 6000 Series Aluminium
Poisson's ratio	0.33 [-]			Typical for Wrought 6000 Series Aluminium
Shear modulus	26.3 GPa	H111	EN 573-3, EN 754, EN 755
Tensile strength	150.0	H111	EN 573-3, EN 754, EN 755

Thermal

Property	Temperature	Value	Condition	Related Standards	Comment
Coefficient of thermal expansion	20 °C	2.3e-05 1/K	H111	EN 573-3, EN 754, EN 755
	20 °C	2.36e-05 1/K	H111	EN 573-3, EN 754, EN 755
	100 °C	2.3e-05 1/K	H111	EN 573-3, EN 754, EN 755
	100 °C	2.36e-05 1/K	H111	EN 573-3, EN 754, EN 755
Melting point		580.0 - 640.0 °C	H111	EN 573-3, EN 754, EN 755
		580.0 - 650.0 °C	H111	EN 573-3, EN 754, EN 755
Specific heat capacity		887.0 - 963.0 J/(kg·K)			Typical for Wrought 6000 Series Aluminium
Thermal conductivity		155.0 - 180.0 W/(m·K)	H111	EN 573-3, EN 754, EN 755
		170.0 - 200.0 W/(m·K)	H111	EN 573-3, EN 754, EN 755

Electrical

Property	Value	Condition	Related Standards
Electrical conductivity	22000000.0 - 30000000.0 S/m	H111	EN 573-3, EN 754, EN 755
	23000000.0 - 27000000.0 S/m	H111	EN 573-3, EN 754, EN 755
Electrical resistivity	3.33e-08 - 4.55e-08 Ω·m	H111	EN 573-3, EN 754, EN 755
	3.7e-08 - 4.35e-08 Ω·m	H111	EN 573-3, EN 754, EN 755

Chemical properties

Property	Value	Condition	Related Standards
Chromium	0.04 - 0.35 %	H111	EN 573-3, EN 754, EN 755
Copper	0.15 - 0.4 %	H111	EN 573-3, EN 754, EN 755
Iron	0.70 %	H111	EN 573-3, EN 754, EN 755
Magnesium	0.8 - 1.2 %	H111	EN 573-3, EN 754, EN 755
Manganese	0.15 %	H111	EN 573-3, EN 754, EN 755
Silicon	0.4 - 0.8 %	H111	EN 573-3, EN 754, EN 755
Titanium	0.15 %	H111	EN 573-3, EN 754, EN 755
Zinc	0.25 %	H111	EN 573-3, EN 754, EN 755

Technological properties

Property
Anodizing	decorative: acceptable, Protective: very good
Brazing	hard brazing (with flux/ without flux): good / sufficient, friction soldering: good, soft brazing with flux: acceptable
Corrosion properties	Seawater: good to acceptable, weathering: good
Workability	Bending / Spinning (cold): acceptable (T3, T4) / good (O), Impact extrusion (cold): good (O), Deep drawing / upsetting (Condition) good (O) / good (O)

DIN 1725‑2 Grade 3.2582 F – Premium GD‑AlSi12 Eutectic Alloy for Corrosion‑Resistant, Fatigue‑Loaded Cast Parts DIN 1725-2 Grade 3.3292 F – High-Performance Anodizable Aluminum Alloy

Metal